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Apperatus Tech Test > IFSTA 3 operating emergency vehicles > Flashcards

IFSTA 3 operating emergency vehicles Flashcards

1
Q

What percent of firefighter injuries and deaths are caused by vehicle collisions responding to from emergency calls

page 59 2nd edition

A

20-25%

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2
Q

What is the first step in starting a vehicle

3rd page 125

A

Disconnect all ground Shores

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3
Q

How quickly should the oil pressure gauge indicate a reasonable amount of pressure

3rd page 125

A

5-10 seconds

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4
Q

When driving manual transmission keep the Apparatus in low gear until ——— is reached before shifting into a higher gear

page 69 2nd edition

A

Proper speed

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5
Q

When cruising in an apparatus do not try to reach rated speed in the

page 69 2nd edition

A

low gears

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6
Q

When driving in Apparatus stay in the highest gear that allows the Apparatus to ——— and still have some power and reserve for acceleration

page 70 2nd edition

A

Keep up with traffic

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7
Q

What should be avoided in order to reduce lugging (carbon build up in engine due to fuel being injected in engine at rate higher than can be burned off)

page 71 2nd edition
page 99 3rd edition

A

Over throttling

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8
Q

To avoid over speeding as a result of improper downshifting or Hill descent choose a gear that allows the engine to operate at —— rpm lower than maximum recommended rpm

page 71 2nd edition

A

200-300 rpm

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9
Q

Which of the following is not a consideration when stopping the Apparatus

A

Length of apparatus

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10
Q

Which of the following provides most of the necessary slowing action when stopping an apparatus

page 71 2nd edition

A

engine brakes

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11
Q

When an engine must be left to idle for an extended period of time at what rpm should it be set

page 72 2nd edition

A

900-1100 rpm

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12
Q

If diesel engines are to be idling they should be set at what speed

page 72 2nd edition

A

High idle

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13
Q

How long should you allow an engine to idle to lower engine temperature before shut down
page 95 2nd edition/page 95 3rd edition

A

3-5 min

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14
Q

define visual lead time

3rd page 105

A

Time needed to stop the Apparatus order form and evasive maneuver at the current rate of speed

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15
Q

Whenever a vehicle undergoes a change in speed or direction, weight transfer takes place relative to what
page 98 3rd edition

A

rate & degree of change

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16
Q

Which braking system has a dry Road slippery road switch

page 82 2nd editon

A

Front brake limiting valve type

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17
Q

Which braking system has a snow and mud switch

page 83 2nd edition

A

Antilock braking system with automatic transfer control

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18
Q

Which direction on a slope of a hill become slippery first the eastern western southern or northern

page 84 2nd edition

A

Northern

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19
Q

It takes —— times more distance for a vehicle to come to a complete stop on snow when ice than it does on dry concrete

page 99 3rd edition

A

3-15

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20
Q

When more than one emergency vehicles responding along the same route travel at least —— to ———feet apart

page 85/86 2nd edition
page 101 3rd edition

A

300-500

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21
Q

what type of Traffic control device use a strobe lights mounted on Apparatus to activate sensors in the traffic lights
3rd page 102

A

strobe Light activated preemption devices

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22
Q

what is a drivers most important responsibility while operating the apparatus
page 84

A

To operate apparatus safely during routine driving and emergency response calls

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23
Q

Which type of accident accounts for the significant percentage of all damage repair costs

A

Backing

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24
Q

True or false
ABS braking systems and/or radial tires reduce brake fading

3rd page 87

A

false

25
Q

True or false an apparatus with a properly baffled water tank that is partially filled may be more dangerous than a full tank or empty tank
page 88

A

True

26
Q

At what speed may an apparatus be driven while loading 4 inch diameter hose
page 91

A

No greater than 5 mph

27
Q

what two things must a driver know when preparing to start the Apparatus
3rd page 94

A

destination

route

28
Q

define diesel particulate filter

page 94 3rd edition

A

filter which collects particles from exhaust and burns them off providing cleaner emissions

29
Q

failing to keep the diesel exhaust fluid tank full may reduce what?
page 95

A

torque

30
Q

How often should the diesel exhaust fluid tank be filled

page 95

A

every time an apparatus is fueled

31
Q

define angle of approach

page 97

A

Angle formed by level ground and a line from the point where the front tires touch the ground to the lowest projection at the front of the apparatus

32
Q

define angle of departure

page 97

A

Angle formed by level ground and a line from the point where the rear tires touch the ground to the lowest projection at the rear of the vehicle

33
Q

define brake over angle

page 97

A

Angle formed by level ground and a line from the point where the tires touch the ground to the bottom of the frame at the wheel base point

34
Q

NFPA 1002 is what

A

Standard for fire apparatus driver operator professional qualifications third edition page 79

35
Q

NFPA 1901 what is it

A

Standard for automotive fire apparatus

3rd edition page 90

36
Q

To what percent must personnel ensure axle load is balanced from side to side & front to back of apparatus?

page 98 3rd edition

A

7%

37
Q

NFPA 1901 requires a placard in every apparatus to list what?

page 99 3rd edition

A

Height in feet and weight in tons

38
Q

At what speed can an emergency vehicle outrun the effective range of an audible warning device

page 101 3rd edition

A

50mph

39
Q

define braking distance

page 105 3rd edition

A

Distance vehicle travels from time brakes are applied until it comes to a complete stop

40
Q

define total stopping distance

page 105 3rd edition

A

Sum of the drivers reaction distance in vehicle braking distance

41
Q

define reaction distance

page 105 3rd edition

A

Distance vehicle travels while driver transfer is a foot from accelerator to brake pedal after perceiving need to stop

42
Q

what are the four types of auxiliary braking systems

page 109 3rd edition

A

Exhaust brake

engine compression break transmission output retarder electromagnetic retarder

43
Q

at what speed should a Apparatus deploy hose during a layout

page 120 3rd edition

A

5mph

44
Q

Restraints used to secure gear on Apparatus must be capable of straining equipment against a force of ——- times the equipments own weight?

page 120 3rd edition

A

10 times

45
Q

hydraulic fluid pressurized to what psi can penetrate your skin

page 122 3rd edition

A

100psi

46
Q

Define negligence

3rd page 84

A

Breach of duty in which the person or organization fails to perform at the standard required by law or that would be expected to be reasonable person on earth similar circumstances

47
Q

define gross negligence

3rd page 84

A

The willful and wanton disregard

48
Q

Vehicles with a gross vehicle weight rating of ——— or greater are required to be equipped with auxiliary braking systems

3rd page 109

A

36,000 lbs

49
Q

what 2 things should be done to regain control during a skid when vehicle is NOT equipped with ABS

3rd page 108

A

ease off the brake

straiten front wheels

50
Q

which 2 auxiliary braking systems provide the highest level of braking torque & are unaffected by transmission gear shift changes

3rd page 109

A

transmission out put retarders

electromagnetic retarders

51
Q

define exhaust brake

3rd page 110

A

least capable

valve restricts flow of exhaust creating back pressure

52
Q

define engine compression break

3rd page 110

A

Device that uses engine and transmission to impede the forward motion of the vehicle by Compression of the engine

53
Q

define electro magnetic retarder

3rd page 110

A

Electro mounted in driveline or supplied as part of the rear axle when activated electromagnetic field is created in supplies electrical power to coils in the retarder inhibiting rotation of the rotor braking torque at the rear wheels

54
Q

define transmission retarders

3rd page 110

A

viscous property of automatic transmission fluid is used to retard the driveline by introducing it to a housing and energy absorbed into the fluid through opposing action of spinner veins

55
Q

define automatic traction control

3rd page 111

A

Automatically reduces engine torque and applies brakes to wheels that have lost traction and begin to spin transferring torque to the wheels that still have traction improving overall traction on slippery roads

may be combined with antilock braking systems

also has mud and snow switch

56
Q

define driver controlled differential lock

3rd page 111

A

Switch enabling both wheels to turn at the same speed by locking differential maximizing traction

57
Q

define interaxle differential lock

3rd page 111

A

action between rear tandem axles are creating one solid driveline between the rear axles resulting in more torque and better traction

58
Q

How far back from a vehicle should the spot to be standing

A

8-10’

Apperatus Tech Test (44 decks)

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